| Challenger Gwangju | 04/14 01:30 | 14 | Moez Echargui v Hoyoung Roh | 6-3,6-4 | |
| Challenger - Busan | 04/09 01:00 | 25 | James Duckworth v Hoyoung Roh | 6-3,6-3 | |
| ITF - M15 Kashiwa | 04/02 04:50 | 25 | Jangjun Kim v Hoyoung Roh | 6-4,4-6,7-6 | |
| ITF - M15 Antália | 04/18 12:25 | 25 | Fermin Tenti v Hoyoung Roh | 6-2,6-3 | |
| Challenger Gwangju | 10/02 01:00 | 14 | Jisung Nam v Hoyoung Roh | 6-2,6-1 |